bayesian-spam-filter/src/filter.hpp

#ifndef FILTER_HPP
#define FILTER_HPP

#include <map>
#include <string>
#include <vector>

struct ReportData {
    double spam_precision;
    double spam_recall;
    double ham_precision;
    double ham_recall;
    double spam_f_score;
    double ham_f_score;
    double accuracy;
};

struct SMSMessage {
    SMSMessage(bool given_type, std::string given_message);
    bool is_ham;
    std::string message;
    bool is_ham_filter;
};

class SMSMessageFilter {
public:
    SMSMessageFilter(void) = default;
    ~SMSMessageFilter(void) = default;
    void GenerateProbability(std::string file_name);
    void Prepare(std::string file_name);
    void Filter(void);
    void Report(void);

private:
    double sentence_probability_ham = 0.5; // Spam is 1 - sentence_probability_ham 
    std::map<std::string, double> probability_dictionary;
    std::vector<SMSMessage> filtered_messages;
    ReportData GenerateReport(void);
    void PrintReport(ReportData report);
    
};

std::string SanitizeToken(std::string token);

#endif // !FILTER_HPP